<!doctype html>
<!--
@license
Copyright (c) 2018 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<html>

<head>

  <meta charset="utf-8">
  <script src="./test-flags.js"></script>
  <script src="../node_modules/wct-browser-legacy/browser.js"></script>
  <script src="../node_modules/@webcomponents/webcomponents-platform/webcomponents-platform.js"></script>
  <script src="../node_modules/es6-promise/dist/es6-promise.auto.min.js"></script>
  <script src="../node_modules/@webcomponents/template/template.js"></script>
  <script src="../node_modules/@webcomponents/html-imports/html-imports.min.js"></script>
  <script src="../node_modules/@webcomponents/shadydom/shadydom.min.js"></script>
  <script src="../node_modules/@webcomponents/custom-elements/custom-elements.min.js"></script>
  <script src="../scoping-shim.min.js"></script>
  <script src="../custom-style-interface.min.js"></script>
  <script src="module/generated/custom-style-element.js"></script>
  <script src="module/generated/make-element.js"></script>
  <title>Apply Shim Deferred</title>
</head>
<body>
  <custom-style>
    <style>
      html {
        --foo: {
          background-color: rgb(0, 0, 255);
        }
      }
    </style>
  </custom-style>
  <template id="x-foo">
    <style>
      :host {
        display: block;
        height: 100px;
        width: 100px;
        background-color: rgb(255, 0, 0);
        @apply --foo;
      }
    </style>
  </template>
  <x-foo></x-foo>
  <!-- emulate apply-shim imported into a module context -->
  <script id="applyScript" src="../apply-shim.min.js" defer></script>
  <script>
    suite('Deferred Apply Shim', function() {
      test('Styling works as expected', function() {
        let resolveFn = null;
        const promise = new Promise((resolve) => {resolveFn = resolve}).then(() => {
          // IE 11 timing issue
          if (window.HTMLTemplateElement.bootstrap) {
            HTMLTemplateElement.bootstrap(document);
          }
          window.makeElement('x-foo');
        }).then(() => {
          const el = document.querySelector('x-foo');
          assert.equal(getComputedStyle(el).getPropertyValue('background-color').trim(), 'rgb(0, 0, 255)');
        });
        if (document.readyState === 'complete') {
          resolveFn();
        } else {
          window.addEventListener('load', resolveFn);
          window.addEventListener('DOMContentLoaded', () => {
            window.removeEventListener('load', resolveFn);
            resolveFn();
          });
        }
        return promise;
      })
    });
  </script>
</body>
</html>